Character is a journey, not a destination.

It is now conceivable that our children's children will know the term cancer only as a constellation of stars.

The great thing about not being president anymore is I can say whatever I want, about anything. Of course [now], nobody really cares what I say. And now I have the worst of all worlds -- my wife has become the secretary of state, so no one really cares what I say -- unless I mess up.

We can't be so fixated on our desire to preserve the rights of ordinary Americans.

We simply have to transition from an economy based almost exclusively on oil and coal and natural gas to one that's far more diversified, that uses solar energy, and wind energy, and the power of the tides, and bio-mass energy, and eventually, develops hydrogen.

The struggle for your own character is the struggle for the nation's character.

A lot of wonderful people love their country and hate the military.